| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| returned mail host unknown | 1.06 | 0.2 | 4535 | 3 | 26 |
| returned | 0.63 | 0.5 | 158 | 23 | 8 |
| 0.35 | 1 | 8043 | 13 | 4 | |
| host | 1.85 | 1 | 6839 | 42 | 4 |
| unknown | 1.61 | 0.8 | 7409 | 19 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| returned mail host unknown | 0.51 | 0.1 | 6752 | 30 |
| returned mail user unknown | 1.98 | 1 | 1455 | 41 |
| yahoo mail unknown host | 0.74 | 0.2 | 1994 | 65 |
| returned mail hostname cannot be resolved | 1.34 | 0.1 | 2300 | 80 |
| how to fix unknown host issue | 1.31 | 0.3 | 1413 | 37 |
| incoming mail host name | 1.59 | 0.4 | 1869 | 53 |
| how to fix unknown host | 1 | 0.7 | 8465 | 49 |
| return to sender recipient unknown | 0.96 | 0.5 | 1184 | 40 |
| mailkit no such host is known | 0.2 | 1 | 446 | 53 |
| unknown at this address return to sender | 0.16 | 0.9 | 255 | 82 |
| hostname: unknown host | 1.83 | 0.3 | 5848 | 46 |
| emails received from unknown sender | 0.45 | 0.9 | 1227 | 87 |
| return to sender address unknown | 1.11 | 0.9 | 8039 | 31 |
| returned mail attempted not known | 1.38 | 0.8 | 1738 | 84 |
| hotmail showing unknown sender | 0.61 | 1 | 4382 | 11 |
| host pc returned error | 1.6 | 0.4 | 7613 | 22 |
| address email to unknown recipient | 0.97 | 0.9 | 3799 | 66 |
| incoming mail server hostname | 1.29 | 0.2 | 4542 | 59 |
| failed to send host message | 0.2 | 0.9 | 7505 | 19 |
| email from unknown sender | 0.57 | 0.3 | 7240 | 36 |
| sending email to unknown recipient | 0.15 | 0.2 | 1928 | 18 |
| return to sender addressee unknown | 0.43 | 0.7 | 6199 | 6 |
